Screw



FIG. 1 is a front, right, top perspective view of a screw showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, left, bottom perspective view thereof;

FIG. 9 is an enlarged perspective view of the top portion of the claimed design taken along line 9 of FIG. 1;

FIG. 10 is a perspective sectional cut view of FIG. 9 taken along line 10-10; and,

FIG. 11 is an enlargement drawing of FIG. 6. 

CLAIM I claim the ornamental design for a screw, as shown and described. 